CN102460917A - Electric motor for a small electric appliance - Google Patents
Electric motor for a small electric appliance Download PDFInfo
- Publication number
- CN102460917A CN102460917A CN2010800251122A CN201080025112A CN102460917A CN 102460917 A CN102460917 A CN 102460917A CN 2010800251122 A CN2010800251122 A CN 2010800251122A CN 201080025112 A CN201080025112 A CN 201080025112A CN 102460917 A CN102460917 A CN 102460917A
- Authority
- CN
- China
- Prior art keywords
- permanent magnet
- rotor
- motor
- coil
- electro
- Prior art date
- Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
- Granted
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Classifications
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B26—HAND CUTTING TOOLS; CUTTING; SEVERING
- B26B—HAND-HELD CUTTING TOOLS NOT OTHERWISE PROVIDED FOR
- B26B19/00—Clippers or shavers operating with a plurality of cutting edges, e.g. hair clippers, dry shavers
- B26B19/28—Drive layout for hair clippers or dry shavers, e.g. providing for electromotive drive
-
- H—ELECTRICITY
- H02—GENERATION; CONVERSION OR DISTRIBUTION OF ELECTRIC POWER
- H02K—DYNAMO-ELECTRIC MACHINES
- H02K16/00—Machines with more than one rotor or stator
- H02K16/02—Machines with one stator and two or more rotors
-
- H—ELECTRICITY
- H02—GENERATION; CONVERSION OR DISTRIBUTION OF ELECTRIC POWER
- H02K—DYNAMO-ELECTRIC MACHINES
- H02K21/00—Synchronous motors having permanent magnets; Synchronous generators having permanent magnets
- H02K21/12—Synchronous motors having permanent magnets; Synchronous generators having permanent magnets with stationary armatures and rotating magnets
- H02K21/22—Synchronous motors having permanent magnets; Synchronous generators having permanent magnets with stationary armatures and rotating magnets with magnets rotating around the armatures, e.g. flywheel magnetos
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- H—ELECTRICITY
- H02—GENERATION; CONVERSION OR DISTRIBUTION OF ELECTRIC POWER
- H02K—DYNAMO-ELECTRIC MACHINES
- H02K2201/00—Specific aspects not provided for in the other groups of this subclass relating to the magnetic circuits
- H02K2201/18—Machines moving with multiple degrees of freedom
-
- H—ELECTRICITY
- H02—GENERATION; CONVERSION OR DISTRIBUTION OF ELECTRIC POWER
- H02K—DYNAMO-ELECTRIC MACHINES
- H02K41/00—Propulsion systems in which a rigid body is moved along a path due to dynamo-electric interaction between the body and a magnetic field travelling along the path
- H02K41/02—Linear motors; Sectional motors
- H02K41/035—DC motors; Unipolar motors
- H02K41/0352—Unipolar motors
- H02K41/0354—Lorentz force motors, e.g. voice coil motors
- H02K41/0356—Lorentz force motors, e.g. voice coil motors moving along a straight path
Abstract
The invention relates to an electric motor for a small electric appliance, comprising a rotor and a stator, a coil for the generation of a magnetic field; and a first magnet arrangement having a first permanent magnet which, by interaction with a magnetic field generated using the coil, generates a force for the excitation of a rotary movement of the rotor. In accordance with the invention, a second magnet arrangement is provided which has at least one second permanent magnet which is arranged such that a translatory oscillatory movement of the rotor is effected by the Lorentz force acting in the field of the second permanent magnet on the conductors of the coil through which current flows. The invention furthermore relates to a small appliance having an electric motor in accordance with the invention and to a method for the generation of a translatory oscillatory movement of the rotor of an electric motor.
Description
Technical field
The present invention relates to be used for the electro-motor of small electric apparatus.The invention still further relates to small electric apparatus with this type of motor and the method for operating electro-motor.
Background technology
Known electro-motor can produce rotation with oscillating movement straight line and be used for for example electric toothbrush.
With regard to this purpose, known motor provides d.c. motor and will rotatablely move to be converted into additional rectilinear motion or in first driver element, to produce rectilinear motion and in second driver element, produce by means of transmission device subsequently and rotatablely moves.
Electro-motor described in the WO 2005/062445 has two vibration motor sub-assemblies and the magnet structure with a plurality of permanent magnets.Coil produces magnetic field, provides this magnetic field to produce the power of the linear oscillating motion that is used to excite oscillation component through interacting with magnet structure.The magnetic field that coil produces and the reciprocation of magnet structure produce the moment of torsion that the rotational oscillation that is used to cause the second vibration motor sub-assembly moves in addition.
The compactness and the electro-motor of high performance-price ratio and the method for operating this type of electro-motor that the purpose of this invention is to provide the simple structure that is used for small electric apparatus.
Summary of the invention
The electro-motor of the electro-motor of the characteristic of this purpose through having claim 1 and the characteristic through having claim 9 is realized.The small electric apparatus that has according to electro-motor of the present invention is the object of claim 12.To said method, the method for the rotor translation oscillating movement of the electro-motor of this purpose through being used to produce the characteristic with claim 15 realizes.Dependent claims relates separately to preferred embodiment.
The coil that the electro-motor that is used for small electric apparatus according to the present invention has rotor and stator and is used to produce magnetic field.First magnet structure has at least one permanent magnet, and a said permanent magnet produces the power that rotatablely moves that is used to excite rotor through the magnetic field interaction with the coil generation.According to electro-motor of the present invention; Be characterised in that specifically the translation oscillating movement that provides second magnet structure that comprises at least one second permanent magnet, said second permanent magnet to be arranged such that rotor realizes through the Lorentz force of the coil-conductor that in the magnetic field of second permanent magnet, acts on electric current and flow through.
By two different physical principles of electric motor combination according to the present invention, so that generation rotatablely moves and produces translational motion on the other hand on the one hand.Utilizing first magnet structure and coil to produce in a manner known way rotatablely moves.Have wherein the iron core that produces the coil of magnetic flux by coil and can for example be provided at the center of driving as stator.Permanent magnet to arrange around mode centers on rotatablely moving of rotor according to the flow direction alignment so that produce.
According to claim 1, second magnet structure with at least one permanent magnet is provided according to the present invention, said permanent magnet produces the magnetic Lorentz force on the conductor of the coil that electric current is flowed through.For fixed coil, this means at least one second permanent magnet relative motion on translation direction.Make the compactness of the electro-motor that is used for small electric apparatus, simple and embodiment high performance-price ratio become possibility through the Lorentz force that utilizes the magnet structure on the coil-conductor that electric current flows through.The separate part that is used for drive structure is simplified.
General possible be that relative translation campaign with at least one second permanent magnet couples rotation and the rectilinear motion that is coupled to obtain with rotatablely moving of rotor.Yet, especially simply be if second permanent magnet moves with rotor, be if it is connected on the rotor specifically.Rotor rotatablely move with the rectilinear motion of at least the second permanent magnet subsequently Automatic Combined be coupled motions.
Can said at least one second permanent magnet be arranged such that if other magnetic fields of influence exist then said second permanent magnet produces the field of the rotation alignment that will be basically parallel to rotor.This can realize with plain mode specifically, prerequisite be if the rotation symmetric arrays of said at least one second permanent magnet and rotor is arranged on the coil or under.Utilize this type of to arrange, can carry out for example up and down second permanent magnet being provided all so that the supply that the effect of expectation doubles at coil.Act on the conductive region of the coil that is parallel to the rotation alignment specifically through this type of magnetic flux of arranging generation of said at least one second permanent magnet.
If another embodiment provides said at least one second permanent magnet is arranged such that it will produce the field that becomes with the rotation of rotor basically radially when not having other elements that influence magnetic field.The magnetic flux that this arrangement through said at least one second permanent magnet produces acts on the conductive region of the coil that is parallel to the rotation alignment specifically.
When at least one permanent magnet of second magnet structure was arranged between the permanent magnet of first magnet structure, the arrangement of especially saving the space was possible.
But two described embodiments are combination with one another also; Wherein therefore second magnet structure is provided specifically; It has at least one and produces second permanent magnet in magnetic field and have at least one additional permanent magnet; Said second permanent magnet becomes radially aligned to arrange basically with the rotation of rotor, the magnetic field of said additional permanent magnet is arranged essentially parallel to the rotation alignment of rotor.In this mode, the Lorentz intensity of force, but and therefore for example the amplitude utmost point of translation oscillating movement set neatly.
Utilize the proper alignment of the independent fragment of permanent magnet in first and second magnet structures, also might make at least a portion of at least a portion and first magnet structure of second magnet structure integrated.
The another kind of electro-motor that is used for the characteristic with claim 8 of small electric apparatus according to the present invention is characterised in that specifically that first magnet structure has been arranged and has designed to make translational motion Lorentz force on the coil-conductor of flowing through through electric current in the field of at least one first permanent magnet realize.Utilize this type of creative embodiment; First magnet structure is for example by correspondingly asymmetric manufacturing; So that be used to produce the magnetic flux that rotatablely moves except what the permanent magnet of first magnet structure produced, also exist the coil-conductor of flowing through to apply the field assembly of Lorentz force to electric current.This class formation can be made with especially compact and simple mode.
Can be designed to carry out translation oscillating movement and continuous rotary motion according to electro-motor of the present invention.Yet the present invention is especially favourable when rotatablely moving also for oscillating movement.
When the rotational oscillation motion had different resonant frequency with the translation oscillating movement, independent oscillating movement also can independently be controlled through the electric current of the corresponding selection frequency of feed-in.The feed-in hybrid frequency realizes the rotation or the translation oscillating movement of corresponding distribution.
General possible be the optional coil soft magnetic core (for example, ferromagnetic core) that exists for the permanent magnet of the electro-motor of for example rotatable support be static.Said core forms the rotor that also carries out the translation oscillating movement subsequently.Yet, if more favourable and more simply be to comprise first magnet structure if the core of coil is the parts and the rotor of stator.Aspect this, wherein coil arrangement is especially compact in the inner arrangement of first magnet structure.
For electro-motor according to the present invention, preferably select said arrangement, make translational motion perpendicular to rotation.
Electro-motor according to the present invention is particularly suited for the transmission of small electric apparatus, and for example wherein brush carries out the electric toothbrush of translation oscillating movement and rotational oscillation motion and the shaving head razor that carries out translation and rotational oscillation motion wherein.
In the method that is used for producing the translation oscillating movement of electro-motor rotor according to the present invention, the Lorentz force on the coil-conductor that electric current is flowed through in the permanent-magnetic field is used to produce the translation oscillating movement of rotor.
Description of drawings
Will be with reference to subsidiary sketch map illustrated in detail the present invention, said sketch map shows according to embodiment of the present invention by way of example.What shown is:
Fig. 1: the perspective diagram of the electro-motor of representing with transparent way partly of the present invention;
Fig. 2: the sectional view in the Y-Z plane of indicating among Fig. 1;
Fig. 3: the perspective diagram of another embodiment of the invention of representing with transparent way partly;
Fig. 4: the perspective diagram of another embodiment of the invention of representing with transparent way partly;
Fig. 5: the profile that has the magnetic field line of indication in the X-Y plane of indicating among Fig. 4; And
Fig. 6: the perspective diagram of another embodiment of the invention of representing with transparent way partly.
Embodiment
Fig. 1 shows the electro-motor 10 of the small electric apparatus that is used to have rotor 12, and said rotor is shown as transparent in more preferably to represent other assemblies herein.Accompanying drawing border 50 is shown among Fig. 1 just to perspective view is shown.
Fig. 2 shows the schematic cross-section in the Y-Z plane.
Thereby translation oscillating movement 28 following generations.With regard to known mode itself, coil 16 and iron core 14 and permanent magnet 18,20,22,24 effects, when flowing into coil like electric current produce in the electro-motor rotatablely move.With regard to this purpose, produce magnetic flux through the coil in the iron core 14. Permanent magnet 18,20,22 on every side, 24-and therefore rotor 12-according to the direction alignment of magnetic flux.
Except the power that produces that causes rotatablely moving; Also on the conductor of the coil 16 that electric current is flowed through, have Lorentz force in addition, its direction is that the direction of magnetic flux and the electric current conductor of flowing through multiply by that electric current is flowed through and the length that is exposed to the conductor of magnetic flux multiply by the direction of the vector product of electric current again.Lorentz magnet 30 makes it on the direction of rotation (z axle), produce magnetic flux basically with the embodiment alignment of Fig. 1 and Fig. 2.In this respect, the coil windings of coil 16 is arranged in the picture plane of Fig. 2.Specifically, in the zone of the coil 16 that is positioned at Fig. 2 top and directly contiguous Lorentz magnet 30, thereby the conductor of the coil windings that electric current is flowed through extends on the Y direction.If electric current so flowing through coil 16 then produce relative stress effect on the x direction between coil and Lorentz magnet 30.For the fixing coil 16 that keeps, therefore Lorentz magnet 30 moves with rotor 12 on the x direction.
If rotor 12 rotates continuously, then the sense of current through coil is at rotor 12 or be fixedly attached in the coordinate system of the Lorentz magnet 30 on it and regularly change, so that produce the translation oscillating movement.Be utilized in the suitable polarity reversal of the sense of current that produces the rotational oscillation motion on direction 26 or the rightabout, the sense of current also changes with respect to the magnetic flux that the Lorentz magnet produces, so that also produce the translation oscillating movement subsequently.
For example, if the shaving head of the brush of electric toothbrush or electric razor is connected to rotor 12, what then it not only realized rotor 12 rotatablely moves 26, but also realizes the translational motion on the direction 28.
Fig. 3 shows the improved embodiment that two Lorentz magnets 30 are provided up and down at coil 16.Therefore stress effect doubles basically.
Lorentz force in the arrangement of Fig. 1 to 3 acts on the conductor and the said conductor of flowing through than the electric current of short coil side specifically here and is parallel to the alignment of y direction.
In the embodiment of Fig. 4, outside the permanent magnet 18,20,22,24 that rotatablely moves except generation, magnetic section 32,34 also is arranged to permanent magnet 18,20, the Lorentz magnet between 22,24.Therefore they be created on the magnetic flux of y direction through coil 16.Therefore this magnetic flux acts on long coiler part specifically here, and said coiler part is parallel to the z direction and extends in the sketch map of Fig. 4.
In the structure of Fig. 4, on the conductor of the coil of flowing through on the direction x 16, produce Lorentz force at electric current.It aligns on direction 28 according to the cross product that is used for definite Lorentz force.Utilize fixing coil 16 that keeps or the fixing iron core 14 that keeps, therefore rotor 12 not only rotatablely moves on direction 26, but also translation on direction 28.
Fig. 5 shows the cross section of in X-Y plane, arranging through Fig. 4.In addition, the direction of magnetic field line is indicated herein, and said magnetic field line is by permanent magnet 18,20,22,24 and the arrangement of Lorentz magnet 32 and 34 produce.As can especially clearly recognize by the sketch map of Fig. 5; Lorentz magnet 34 forms the part of bigger magnetic element; Said magnetic element is taken over permanent magnet 18; 22 and function and its polarity that is used for all three fragments 18,22,34 of Lorentz magnet 34 on identical direction, radially outward or radially inwardly face.
Although the polarity of Lorentz magnet 32 radially with identical direction in the face of (in other words, for example, outside when the polarity of permanent magnet 18,22 and Lorentz magnet 34 outwards is orientated), then the polarity of permanent magnet 20,24 is at relative orientation radially.
The embodiment of Fig. 6 is the combination of the embodiment of Fig. 1 and Fig. 4.The Lorentz magnet 32,34 of radial arrangement provided herein, and axial arranged Lorentz magnet 30.The suitable selection of these magnet strength allows Lorentz force and the therefore flexible setting of translational force.
In all embodiments, translation vibration is transported or the rotational oscillation motion can be excited the corresponding selection of the power frequency in being fed into coil.With regard to this purpose, select the frequency of feed-in according to the resonance frequency of corresponding oscillating movement.The selection of corresponding hybrid frequency or a plurality of frequency radiation can be used for setting oscillating movement intensity relative to each other.
Reduced the number that drives the required separate part of structure and realized the structure form that driver element is compact according to embodiment of the present invention.Depend on the structure design of driving, the power on rotatablely move attainable moment of torsion and the translation direction can freely be provided with.The length substantial linear of moment of torsion and power and motor is confirmed and translational motion proof major part is independent of the position, angle that rotatablely moves.Because omitted the transmission device that is used to produce additional translational motion, the noise of generation is lower.
Dimension disclosed herein is not intended to be understood that strictly to be limited to described exact value with value.On the contrary, except as otherwise noted, each such dimension is meant the numerical value of being quoted and centers on the scope that is equal on the function of this numerical value.For example, disclosed dimension " 40mm " is intended to expression " about 40 ".
Reference list
10 electro-motors
12 rotors
14 iron cores
16 coils
18,20,22,24 permanent magnets
26 rotatablely move
28 translation oscillating movements
30,32,34 Lorentz magnets
36 magnetic fluxs
40 polarity
50 accompanying drawing boundaries
Claims (15)
1. electro-motor (10) that is used for small electric apparatus comprising:
-rotor (12) and stator;
-be used to produce the coil (16) in magnetic field; And
-have at least one first permanent magnet (18; 20,22,24) first magnet structure; Said first permanent magnet is used to excite the power of said rotor (12) around rotatablely move (26) of rotation through producing with the magnetic field interaction that utilizes said coil (16) to produce
It is characterized in that; Comprise at least one second permanent magnet (30; 32; 34) the translation oscillating movement (28) that second magnet structure, said second permanent magnet are arranged such that said rotor (12) realizes through the Lorentz force of the conductor of the said coil (16) that in the magnetic field of said second permanent magnet, acts on electric current and flow through.
2. electro-motor as claimed in claim 1 is characterized in that, said second magnet structure is connected to preferred immobilization said rotor with said rotor (12) motion.
3. according to claim 1 or claim 2 electro-motor; It is characterized in that; Said at least one second permanent magnet (30) is arranged such that the field that other influence of not receiving of said second permanent magnet will be basically parallel to the rotation alignment of said rotor (12), preferably wherein said at least one second permanent magnet (30) be disposed on the direction of said rotation on the said coil (16) or under.
4. according to claim 1 or claim 2 electro-motor; It is characterized in that; Said at least one second permanent magnet (32,34) is arranged such that other fields that influence that do not receive of said second permanent magnet will become radially aligned with the rotation of said rotor (12) basically.
5. electro-motor as claimed in claim 4 is characterized in that, said first magnet structure comprises a plurality of permanent magnets (18,20; 22,24), said permanent magnet and said rotation arranged concentric, and said at least one permanent magnet (32 of said second magnet structure; 34) on the circumferencial direction of the circle that the concentric arrangement by the permanent magnet (18,20,22,24) of said first magnet structure limits, be disposed in the permanent magnet (18 of said first magnet structure; 20,22,24) between.
6. like claim 4 or 5 described electro-motors; It is characterized in that; Said second magnet structure (30,32,34) comprises at least one additional permanent magnet (30); Said permanent magnet is arranged such that the field that other influence of not receiving of said additional permanent magnet will be basically parallel to the rotation alignment of said rotor (12), preferably wherein said at least one additional magnet (30) be disposed on the direction of said rotation on the said coil (16) or under.
7. like the described electro-motor of aforementioned each claim, it is characterized in that at least one permanent magnet (34) of said second magnet structure forms with the integrated manufacturing of at least one permanent magnet (18,22) of said first magnet structure.
8. electro-motor (10) that is used for small electric apparatus comprising:
-rotor and stator;
-be used to produce the coil in magnetic field; And
-having first magnet structure of at least one first permanent magnet, said first permanent magnet is used to excite the power that rotatablely moves of said rotor around rotation through producing with the magnetic field interaction that utilizes said coil to produce,
It is characterized in that said first magnet structure is arranged and designed and becomes to make the translation oscillating movement of said rotor to realize through the Lorentz force of the conductor of the said coil that in the magnetic field of said at least one first permanent magnet, acts on electric current and flow through.
9. like the described electro-motor of aforementioned each claim, it is characterized in that said at least one first permanent magnet (18; 20; 22,24) be designed and be arranged such that said at least one first permanent magnet (18,20 with said coil (16); 22,24) through producing the power of the rotational oscillation motion that is used to excite said rotor (12) with the magnetic field interaction that utilizes said coil (16) to produce.
10. electro-motor as claimed in claim 9 is characterized in that, said rotational oscillation motion has different resonant frequency with said translation oscillating movement.
11. like the described electro-motor of aforementioned each claim, it is characterized in that said rotor (12) comprises said first magnet structure (18,20,22,24), wherein said coil (16) preferably is disposed in said first magnet structure (18,20,22,24).
12. a small electric apparatus that comprises electro-motor, said electro-motor have the described characteristic that excites the translation oscillating movement and rotatablely move of being used to of aforementioned each claim.
13. the small electric apparatus that comprises electro-motor as claimed in claim 12 is characterized in that, said small electric apparatus is the electric toothbrush with brush, and said electro-motor is used to produce the translation oscillating movement of said brush and rotatablely moving of said brush.
14. the small electric apparatus that comprises electro-motor as claimed in claim 12; It is characterized in that; Said small electric apparatus is the electric razor with shaving head, and said electro-motor is used to produce the translation oscillating movement of said shaving head and rotatablely moving of said shaving head.
15. the method for the translation oscillating movement of a rotor (12) that is used to produce electro-motor (10); Said electro-motor comprises rotor (12) and stator, is used to produce the coil (16) in magnetic field and has at least one first permanent magnet (18; 20,22,24) first magnet structure; Said first permanent magnet is through producing the power that rotatablely moves that is used to excite said rotor (12) with the magnetic field interaction that utilizes said coil (16) to produce
It is characterized in that the Lorentz force that in permanent-magnetic field, acts on the conductor of the said coil (16) that electric current flows through is used to produce said translation oscillating movement.
Applications Claiming Priority (3)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| EP09007760.3A EP2262083B1 (en) | 2009-06-12 | 2009-06-12 | Electric motor for a small electric appliance |
| EP09007760.3 | 2009-06-12 | ||
| PCT/IB2010/052594 WO2010143156A1 (en) | 2009-06-12 | 2010-06-10 | Electric motor for a small electric appliance |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN102460917A true CN102460917A (en) | 2012-05-16 |
| CN102460917B CN102460917B (en) | 2014-11-19 |
Family
ID=41256082
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201080025112.2A Active CN102460917B (en) | 2009-06-12 | 2010-06-10 | Electric motor for a small electric appliance |
Country Status (7)
| Country | Link |
|---|---|
| US (1) | US20120110856A1 (en) |
| EP (1) | EP2262083B1 (en) |
| JP (1) | JP5579835B2 (en) |
| CN (1) | CN102460917B (en) |
| CA (1) | CA2765277A1 (en) |
| ES (1) | ES2549982T3 (en) |
| WO (1) | WO2010143156A1 (en) |
Cited By (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN103939574A (en) * | 2014-03-13 | 2014-07-23 | 都佳宜电器制品（深圳）有限公司 | Acoustic wave motor |
| CN105873540A (en) * | 2013-12-30 | 2016-08-17 | 皇家飞利浦有限公司 | Actuator with grouped magnets for personal care appliance |
| CN109330726A (en) * | 2018-09-04 | 2019-02-15 | 郗瑛琦 | A kind of linear actuator, mouth-rinsing device and its control method |
| CN109617306A (en) * | 2019-01-28 | 2019-04-12 | 中科（深圳）创新创意科技有限公司 | Electric toothbrush motor and toothbrush |
Families Citing this family (9)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US20100186234A1 (en) | 2009-01-28 | 2010-07-29 | Yehuda Binder | Electric shaver with imaging capability |
| JP5387400B2 (en) * | 2009-12-28 | 2014-01-15 | 日立工機株式会社 | Electric mower |
| US9154025B2 (en) | 2010-07-23 | 2015-10-06 | Braun Gmbh | Personal care device |
| EP2410641A1 (en) | 2010-07-23 | 2012-01-25 | Braun GmbH | Linear electric motor |
| CA2817062C (en) | 2010-08-19 | 2015-03-24 | Braun Gmbh | Resonant motor unit and electric device with resonant motor unit |
| CA2841901A1 (en) | 2011-07-25 | 2013-01-31 | Braun Gmbh | Linear electro-polymer motors and devices having the same |
| PL2550937T3 (en) | 2011-07-25 | 2014-07-31 | Braun Gmbh | Magnetic connection between a toothbrush handle and a brush head |
| PL2550938T3 (en) | 2011-07-25 | 2015-06-30 | Braun Gmbh | Oral hygiene device |
| US10011035B2 (en) * | 2015-02-23 | 2018-07-03 | Makita Corporation | Machining device and electric motor for the same |
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| CN101242790A (en) * | 2005-08-16 | 2008-08-13 | 皇家飞利浦电子股份有限公司 | Resonant actuator for a personal care appliance having a programmable actuation capability |
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| US4135119A (en) * | 1977-03-23 | 1979-01-16 | General Scanning, Inc. | Limited rotation motor |
| US5928131A (en) * | 1997-11-26 | 1999-07-27 | Vascor, Inc. | Magnetically suspended fluid pump and control system |
| US6873067B2 (en) * | 2000-09-29 | 2005-03-29 | Matsushita Electric Works, Ltd. | Linear oscillator |
| EP1566879A4 (en) * | 2002-11-26 | 2008-07-09 | Matsushita Electric Works Ltd | Actuator |
| DE10350447A1 (en) * | 2003-10-29 | 2005-06-02 | Braun Gmbh | Drive unit for generating an oscillating movement for small electrical appliances |
-
2009
- 2009-06-12 ES ES09007760.3T patent/ES2549982T3/en active Active
- 2009-06-12 EP EP09007760.3A patent/EP2262083B1/en active Active
-
2010
- 2010-06-10 CA CA2765277A patent/CA2765277A1/en not_active Abandoned
- 2010-06-10 WO PCT/IB2010/052594 patent/WO2010143156A1/en active Application Filing
- 2010-06-10 JP JP2012513733A patent/JP5579835B2/en not_active Expired - Fee Related
- 2010-06-10 CN CN201080025112.2A patent/CN102460917B/en active Active
-
2011
- 2011-12-06 US US13/311,790 patent/US20120110856A1/en not_active Abandoned
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| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| DE3315848A1 (en) * | 1983-04-30 | 1984-10-31 | Philips Patentverwaltung Gmbh, 2000 Hamburg | Actuator device on writing and reading units for constant correction of the spatial position of a writing or reading means, in particular a beam |
| US6429611B1 (en) * | 2000-01-28 | 2002-08-06 | Hui Li | Rotary and linear motor |
| CN1886885A (en) * | 2003-11-27 | 2006-12-27 | 布劳恩股份有限公司 | Electric motor for a small-scale electrical appliance |
| CN101242790A (en) * | 2005-08-16 | 2008-08-13 | 皇家飞利浦电子股份有限公司 | Resonant actuator for a personal care appliance having a programmable actuation capability |
Cited By (8)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN105873540A (en) * | 2013-12-30 | 2016-08-17 | 皇家飞利浦有限公司 | Actuator with grouped magnets for personal care appliance |
| CN105873540B (en) * | 2013-12-30 | 2018-03-27 | 皇家飞利浦有限公司 | The actuator with packet magnet for personal care appliance |
| US10285788B2 (en) | 2013-12-30 | 2019-05-14 | Koninklijke Philips N.V. | Actuator with grouped magnets for personal care appliance |
| CN103939574A (en) * | 2014-03-13 | 2014-07-23 | 都佳宜电器制品（深圳）有限公司 | Acoustic wave motor |
| CN103939574B (en) * | 2014-03-13 | 2016-08-24 | 都佳宜电器制品（深圳）有限公司 | Sound wave motor |
| CN109330726A (en) * | 2018-09-04 | 2019-02-15 | 郗瑛琦 | A kind of linear actuator, mouth-rinsing device and its control method |
| WO2020048503A1 (en) * | 2018-09-04 | 2020-03-12 | 郗瑛琦 | Linear actuator, oral cleaner and control method therefor |
| CN109617306A (en) * | 2019-01-28 | 2019-04-12 | 中科（深圳）创新创意科技有限公司 | Electric toothbrush motor and toothbrush |
Also Published As
| Publication number | Publication date |
|---|---|
| EP2262083B1 (en) | 2015-07-15 |
| JP2012529878A (en) | 2012-11-22 |
| CN102460917B (en) | 2014-11-19 |
| WO2010143156A1 (en) | 2010-12-16 |
| US20120110856A1 (en) | 2012-05-10 |
| ES2549982T3 (en) | 2015-11-03 |
| JP5579835B2 (en) | 2014-08-27 |
| EP2262083A1 (en) | 2010-12-15 |
| CA2765277A1 (en) | 2010-12-16 |
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